Home / 125,759.66-173,620.06-83,375.60

Finding the Fourth Proportional to 125,759.66, 173,620.06 and 83,375.60

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Solution

The fourth proportional to 125,759.66, 173,620.06 and 83,375.60 is: 115,105.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,759.66 : 173,620.06 = 83,375.60 : x
  2. Step 2: Convert to fraction form
    125,759.66/173,620.06 = 83,375.60/x
  3. Step 3: Cross multiply
    125,759.66x = 173,620.06 × 83,375.60
  4. Step 4: Simplify right side
    125,759.66x = 14,475,675,598.00
  5. Step 5: Solve for x
    x = 14,475,675,598.00/125,759.66
  6. Step 6: Final answer
    x = 115,105.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.